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[media] cx24120: Check for lock before updating BER & UCB 

BER & UCB aren't available unless we're locked; don't update dvbv5
stats when not locked and mark these counters as unavailable.

Signed-off-by: Jemma Denson <jdenson@gmail.com>
Signed-off-by: Patrick Boettcher <patrick.boettcher@posteo.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Jemma Denson 2015-05-19 17:23:14 -03:00 committed by Mauro Carvalho Chehab
parent 80e9710b34
commit e3f2f63e8c
1 changed files with 9 additions and 0 deletions
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9
drivers/media/dvb-frontends/cx24120.c
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@ -663,6 +663,15 @@ static void cx24120_get_stats(struct cx24120_state *state)
c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
}
/* BER & UCB require lock */
if (!(state->fe_status & FE_HAS_LOCK)) {
c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
return;
}
/* BER */
if (time_after(jiffies, state->ber_jiffies_stats)) {
msecs = (state->berw_usecs + 500) / 1000;